* {
  margin: 0;
  padding: 0;

}
#head {
  width: 100%;
  height: 130px;
  background-color: #fff0f5;
}
#head div:nth-child(1) {
  width: 1520px;
  height: 100%;
  margin: 0 auto;
}

#head h3 #p1 {
  text-align: center;
  font-family: 微软雅黑;
}

#head #p2 {
  text-align: center;
  font-family: 微软雅黑;
}

#nav {
  margin: 0 auto;
  width: 1500px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  font-size: 12px;
  color: #817b79;
}
/* 答题卡 */
#options {
  width: 680px;
  height: 400px;
  border: 1px solid #d4bcbc;
  box-shadow: 0px 0px 3px 0px;
  background-color: #f5f5f5;
  border-radius: 20px;
  margin: 20px auto;
}

#options div:nth-of-type(1) {
  width: 150px;
  height: 40px;
  margin: 10px 20px;
}
#options div:nth-of-type(1) span:nth-of-type(1) {
  font-size: 30px;
}
/* 进度条背景 */
#options div:nth-of-type(2) {
  width: 610px;
  height: 10px;
  border: 1px solid white;
  /*background-color: #000000;*/
  background-image: linear-gradient(120deg,#00ffff,#3498db);
  border-radius: 50px;
  margin: 0 auto;
  position: relative;
}
/* 进度条前景 */
#options div:nth-of-type(2) div {
  position: absolute;
  top: -10px;
  left: -20px;
  border-radius: 20px;
  width: 20px;
  height: 10px;
  background-color: #ffb6c1;
}
/* 问题的题目 */
#options p {
  margin: 20px 30px;
  font-size: 18px;
}
/* 选项框 */
#options div:nth-of-type(3) {
  width: 600px;
  height: 330px;
  margin: 0 auto;
}
/* 选项文字 */
#options div:nth-of-type(3) li {
  list-style: none;
  width: 36.25rem;
  height: 70px;
  border-radius: 10px;
  background-color: #e2ecf6;
  margin-top: 10px;
  line-height: 70px;
  text-align: center;
}


/* 上一题按钮 */
.previousbutton {
  border-radius: 25px;
  display: inline-block;
  border: 0;
  float: left;
  width: 100px;
  height: 40px;
  background-color: #00ffff;
  line-height: 40px;
  margin-left: 50px;
}

/* 下一题按钮 */
.nextbutton {
  border-radius: 25px;
  display: inline-block;
  border: 0;
  position: absolute;
  float: left;
  width: 100px;
  height: 40px;
  background-color: #3498db;
  line-height: 40px;

  margin-left: 240px;
}


#bottom {
  width: 100%;
  height: 100px;
  background-color: #f2f2f2;
}

/*底部说明框*/
#bottom div {
  width: 1520px;
  height: 100%;
  margin: 30px auto;
  font-size: 12px;
}
/*底部文字*/
#bottom #bottomp1{
  height: 50px;
  line-height: 50px;
  text-align: center;
  font-weight: 600;
  color: #817b79;
}
/*AAA说明*/
#bottom #aaa{
  height: 50px;
  line-height: 50px;
  text-align: center;
  font-weight: 800;
  color: #000;
}


/*#bottom div div {*/
/*  width: 1000px;*/
/*  height: 20px;*/
/*  display: flex;*/
/*  margin-left: 300px;*/
/*}*/

/*#bottom div div li {*/
/*  float: left;*/
/*  width: 130px;*/
/*  margin: 10px;*/
/*}*/

/*#bottom div div li:nth-of-type(4) {*/
/*  margin-left: 40px;*/
/*}*/

/*#bottom div div li:nth-of-type(5) {*/
/*  margin-left: -10px;*/
/*}*/

/*#bottom div p:nth-of-type(2) {*/
/*  height: 20px;*/
/*  line-height: 20px;*/
/*  text-align: center;*/
/*  color: #81726e;*/
/*}*/
